toasting fork
US /ˈtoʊstɪŋ fɔːrk/
UK /ˈtoʊstɪŋ fɔːrk/

1.
a long-handled fork used for toasting food, especially bread or marshmallows, over an open flame or in a toaster
:
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We used a toasting fork to roast marshmallows over the campfire.
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My grandmother still uses a traditional toasting fork for her bread.